Check out EoTech Holographic Weapon Sight Free 3D model on CGTrader for free. High-quality mesh by Bizarr0: 119460 polys, 120664 vertices. Textured, UV Mapped.
OBJ (OBJ, filesize: 16.8 MB), FBX (Autodesk FBX, filesize: 6.22 MB), BLEND (Blender, filesize: 19.4 MB)